Hi Tnagpal,
Since the Basic feed needs your log-in information to access, you can first subscribe the Podcast feed on your iTunes, then sync all podcast to your iPhone. In that way, you can find the podcasts on the application.
Please check the following link to get more detailed instruction.
http://www.spanishpod101.com/helpcenter ... tunesfeeds
Thank you,
Jae
Team SpanishPod101.com